#include <stdio.h>
/**
 * 求三个数的最大值
 */
int main(int argc, char const *argv[])
{	
	int a = 30;
	int b = 20;
	int c = 30;
	int max;

	if (a >b)
	{
		max = a;
	}else{
		max = b;
	}
	if (max >c)
	{
		printf("最大值为:%d\n",max );
	}else{
		printf("最大值为:%d\n",c );
	}

	return 0;
}